This is the Darwin Open Source SDK, Volume 2, Spring 2000 CD.
Darwin OS 1.0
Darwin Streaming Server 2.0
Kernel Developers Kit
This is a toast image, suitable for PowerMacintosh computers of the era. The CD also includes full source code.
This is the first public source code release of OS X 10.0, and corresponds to the Developer preview 3 release of OS X.
The new Darwin kernel is based on FreeBSD and Mach 3.0 technologies and supports the Kernel Extension Developer Kit (KDK) for developing drivers and loadable modules. Darwin 1.0 gives developers access to essential Mac OS X source code. This allows developers to enhance the feature set, performance and quality of Mac OS X products in partnership with Apple engineers. Darwin 1.0 is processor-independent and is built for PowerPC and Intel platforms, enabling Open Source developers to work on Darwin projects on the widest choice of computer systems.